48
Basic Operation
Audio
The Audio function allows you to control audio levels of the Com radio. The AMA setting adjusts the volume
level of the message tones. The Com setting adjusts the Com radio audio level. The Sidetone setting adjusts the
feedback level from the microphone into the headset headphone. The VOR (Nav radio) setting adjusts the Nav
radio volume for idents, HIWAS, or other services with audio.
The GNS 480 provides the following three aural alerts: 500 foot callout, Localizer Alive, and Missed Approach
Point. If audio is inhibited, the audio alert messages are not played. Audio messages do not require any pilot
input.
1. Press
Menu/Enter
and then the
Audio
key to bring up the Audio Level values. The Audio menu label
will be highlighted.
2. Press the
Audio
key again to turn the value display off.
3. Turn the
Large
knob to highlight the Audio Message Annunciator (AMA) volume, Com radio volume,
Sidetone level, and Nav radio volume.
4. Use the
Small
knob to adjust the values.
Save Channel
This function allows you to save and name the current Active frequency in the User frequency list.
1, Press
Menu/Enter
and then the
Save Chnl
key to bring up the Save Channel box. The Save Chnl
menu label will be highlighted.
2. Press the
Save Chnl
key again to turn the value display off.
3. Turn the
Small
knob to change the value.
4. Turn the
Large
knob to move the cursor to another character.
5. Press the
Menu/Enter
key to save the name and frequency.
Saving a Com Channel
Com Radio
Summary of Contents for Apollo CNX80
Page 1: ...DRAFT GNS 480TM color GPS WAAS NAV COM pilot s guide...
Page 16: ...8 Getting Started...
Page 17: ...9 Getting Started...
Page 18: ...10 Getting Started...
Page 24: ...16 Getting Started Nav Terms Diagram Flight Plan Terms Diagram...
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Page 161: ......